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2.4.1
Lenses
Available lenses
The following lenses are available, or will become available (contact a BARCO service center) as an option :
Lenses
QFD(1.27:1)
QFD(2.5:1)
QFD(1.4-2.1:1)
QFD(2.1-3.0:1)
QFD(3.5-4.5:1)
QFD(4.5-6.0:1)
QFD(7:1)
QGD (0.8:1) / SW: (1–1.4)m
QGD (0.8:1) / SW: (1.7–2.4)m
QGD(0.86:1)
2.4.2
Lens selection
How to select ?
1. Determine the required screen width.
2. Determine the approximate position of the projector in the projection room with regard to the screen and measure the projector-
screen distance (PD).
3. Use the lens formulas to find the best corresponding PD with regard to the measured projector-screen distance for the required
screen width.
2.4.3
Lens formulas
Formulas
Lenses
QFD(1.27:1)
QFD(2.5:1)
QFD(1.4-2.1:1)
QFD(2.1-3.0:1)
QFD(3.4-4.5:1)
QFD(4.5-6.0:1)
QFD(7.0:1)
R5976455 BARCO ULTRA REALITY 7000 30062003
Standard version
R9840400
R9840290
R9840380
R9840390
R9840060
R9840100
R9840410
R9829800
R9840040
R9840491
Metric Formulas (meter)
PD = 1.29 x SW — 0,0195 + 0,00276 /
SW
PD = 2.427 x SW + 0,025 + 0,022 / SW
PD
= 1,44 x SW + 0,0287 — 0,022 /
min
SW
PD
= 2,20 x SW — 0,01 + 0,020 / SW
max
PD
= 2,13 x SW — 0,10 + 0,056 / SW
min
PD
= 2,90 x SW + 0,10 — 0,0745 /
max
SW
PD
= 3,374 x SW — 0,115 + 0,0575 /
min
SW
PD
= 4,433 x SW — 0,133 + 0,0556
max
/ SW
PD
= 4,29 x SW — 0,02 + 0,0009 /
min
SW
PD
= 5,86 x SW + 0,15 + 0,0121 /
max
SW
PD = 6,882 x SW — 0,045 + 0,048 / SW
2. Installation Guidelines
Inch Formulas (inch)
PD = 1.29 x SW — 0.768 + 4.278 / SW
PD = 2.427 x SW +0.984 + 34.10 / SW
PD
= 1.44 x SW + 1.13 — 34.10 / SW
min
PD
= 2.20 x SW — 0.39 + 31.00 / SW
max
PD
= 2.13 x SW — 3.937 + 86.80 /
min
SW
PD
= 2.90 x SW + 3.937 — 115.48 /
max
SW
PD
= 3.374 x SW — 4.53 + 89.13 /
min
SW
PD
= 4.433 x SW — 5.24 + 86.18 /
max
SW
PD
= 4.29 x SW — 0.787 + 1.395 /
min
SW
PD
= 5.86 x SW + 5.906 + 18.755 /
max
SW
PD = 6.882 x SW — 1.772 + 74.4 / SW
9
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